diff options
Diffstat (limited to 'xorg-server/miext/rootless')
| -rw-r--r-- | xorg-server/miext/rootless/makefile | 10 | ||||
| -rw-r--r-- | xorg-server/miext/rootless/rootlessGC.c | 3 | ||||
| -rw-r--r-- | xorg-server/miext/rootless/rootlessScreen.c | 1508 | ||||
| -rw-r--r-- | xorg-server/miext/rootless/rootlessValTree.c | 1242 | ||||
| -rw-r--r-- | xorg-server/miext/rootless/rootlessWindow.c | 18 | ||||
| -rw-r--r-- | xorg-server/miext/rootless/xplugin.h | 592 |
6 files changed, 1993 insertions, 1380 deletions
diff --git a/xorg-server/miext/rootless/makefile b/xorg-server/miext/rootless/makefile new file mode 100644 index 000000000..d49e810a2 --- /dev/null +++ b/xorg-server/miext/rootless/makefile @@ -0,0 +1,10 @@ +LIBRARY=librootless + +librootless_la_SOURCES = \ + rootlessCommon.c \ + rootlessGC.c \ + rootlessScreen.c \ + rootlessValTree.c \ + rootlessWindow.c + +CSRCS = $(filter %.c,$(librootless_la_SOURCES)) diff --git a/xorg-server/miext/rootless/rootlessGC.c b/xorg-server/miext/rootless/rootlessGC.c index 21a3bd806..2af251ee6 100644 --- a/xorg-server/miext/rootless/rootlessGC.c +++ b/xorg-server/miext/rootless/rootlessGC.c @@ -49,6 +49,9 @@ #include "rootlessCommon.h"
+#ifdef _MSC_VER
+#define inline __inline
+#endif
// GC functions
static void RootlessValidateGC(GCPtr pGC, unsigned long changes,
diff --git a/xorg-server/miext/rootless/rootlessScreen.c b/xorg-server/miext/rootless/rootlessScreen.c index 0801e7206..03e3278d3 100644 --- a/xorg-server/miext/rootless/rootlessScreen.c +++ b/xorg-server/miext/rootless/rootlessScreen.c @@ -1,754 +1,754 @@ -/* - * Screen routines for generic rootless X server - */ -/* - * Copyright (c) 2001 Greg Parker. All Rights Reserved. - * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved. - * Copyright (c) 2002 Apple Computer, Inc. All rights reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Except as contained in this notice, the name(s) of the above copyright - * holders shall not be used in advertising or otherwise to promote the sale, - * use or other dealings in this Software without prior written authorization. - */ - - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "mi.h" -#include "scrnintstr.h" -#include "gcstruct.h" -#include "pixmapstr.h" -#include "windowstr.h" -#include "propertyst.h" -#include "mivalidate.h" -#include "picturestr.h" -#include "colormapst.h" - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <string.h> - -#include "rootlessCommon.h" -#include "rootlessWindow.h" - -/* In milliseconds */ -#ifndef ROOTLESS_REDISPLAY_DELAY -#define ROOTLESS_REDISPLAY_DELAY 10 -#endif - -extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild, - VTKind kind); -extern Bool RootlessCreateGC(GCPtr pGC); - -// Initialize globals -DevPrivateKeyRec rootlessGCPrivateKeyRec; -DevPrivateKeyRec rootlessScreenPrivateKeyRec; -DevPrivateKeyRec rootlessWindowPrivateKeyRec; -DevPrivateKeyRec rootlessWindowOldPixmapPrivateKeyRec; - -/* - * RootlessUpdateScreenPixmap - * miCreateScreenResources does not like a null framebuffer pointer, - * it leaves the screen pixmap with an uninitialized data pointer. - * Thus, rootless implementations typically set the framebuffer width - * to zero so that miCreateScreenResources does not allocate a screen - * pixmap for us. We allocate our own screen pixmap here since we need - * the screen pixmap to be valid (e.g. CopyArea from the root window). - */ -void -RootlessUpdateScreenPixmap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC(pScreen); - PixmapPtr pPix; - unsigned int rowbytes; - - pPix = (*pScreen->GetScreenPixmap)(pScreen); - if (pPix == NULL) { - pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0); - (*pScreen->SetScreenPixmap)(pPix); - } - - rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth); - - if (s->pixmap_data_size < rowbytes) { - free(s->pixmap_data); - - s->pixmap_data_size = rowbytes; - s->pixmap_data = malloc(s->pixmap_data_size); - if (s->pixmap_data == NULL) - return; - - memset(s->pixmap_data, 0xFF, s->pixmap_data_size); - - pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height, - pScreen->rootDepth, - BitsPerPixel(pScreen->rootDepth), - 0, s->pixmap_data); - /* ModifyPixmapHeader ignores zero arguments, so install rowbytes - by hand. */ - pPix->devKind = 0; - } -} - - -/* - * RootlessCreateScreenResources - * Rootless implementations typically set a null framebuffer pointer, which - * causes problems with miCreateScreenResources. We fix things up here. - */ -static Bool -RootlessCreateScreenResources(ScreenPtr pScreen) -{ - Bool ret = TRUE; - - SCREEN_UNWRAP(pScreen, CreateScreenResources); - - if (pScreen->CreateScreenResources != NULL) - ret = (*pScreen->CreateScreenResources)(pScreen); - - SCREEN_WRAP(pScreen, CreateScreenResources); - - if (!ret) - return ret; - - /* Make sure we have a valid screen pixmap. */ - - RootlessUpdateScreenPixmap(pScreen); - - return ret; -} - - -static Bool -RootlessCloseScreen(int i, ScreenPtr pScreen) -{ - RootlessScreenRec *s; - - s = SCREENREC(pScreen); - - // fixme unwrap everything that was wrapped? - pScreen->CloseScreen = s->CloseScreen; - - if (s->pixmap_data != NULL) { - free(s->pixmap_data); - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - } - - free(s); - return pScreen->CloseScreen(i, pScreen); -} - - -static void -RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h, - unsigned int format, unsigned long planeMask, char *pdstLine) -{ - ScreenPtr pScreen = pDrawable->pScreen; - SCREEN_UNWRAP(pScreen, GetImage); - - if (pDrawable->type == DRAWABLE_WINDOW) { - int x0, y0, x1, y1; - RootlessWindowRec *winRec; - - // Many apps use GetImage to sync with the visible frame buffer - // FIXME: entire screen or just window or all screens? - RootlessRedisplayScreen(pScreen); - - // RedisplayScreen stops drawing, so we need to start it again - RootlessStartDrawing((WindowPtr)pDrawable); - - /* Check that we have some place to read from. */ - winRec = WINREC(TopLevelParent((WindowPtr) pDrawable)); - if (winRec == NULL) - goto out; - - /* Clip to top-level window bounds. */ - /* FIXME: fbGetImage uses the width parameter to calculate the - stride of the destination pixmap. If w is clipped, the data - returned will be garbage, although we will not crash. */ - - x0 = pDrawable->x + sx; - y0 = pDrawable->y + sy; - x1 = x0 + w; - y1 = y0 + h; - - x0 = max (x0, winRec->x); - y0 = max (y0, winRec->y); - x1 = min (x1, winRec->x + winRec->width); - y1 = min (y1, winRec->y + winRec->height); - - sx = x0 - pDrawable->x; - sy = y0 - pDrawable->y; - w = x1 - x0; - h = y1 - y0; - - if (w <= 0 || h <= 0) - goto out; - } - - pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine); - -out: - SCREEN_WRAP(pScreen, GetImage); -} - - -/* - * RootlessSourceValidate - * CopyArea and CopyPlane use a GC tied to the destination drawable. - * StartDrawing/StopDrawing wrappers won't be called if source is - * a visible window but the destination isn't. So, we call StartDrawing - * here and leave StopDrawing for the block handler. - */ -static void -RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h, - unsigned int subWindowMode) -{ - SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate); - if (pDrawable->type == DRAWABLE_WINDOW) { - WindowPtr pWin = (WindowPtr)pDrawable; - RootlessStartDrawing(pWin); - } - if (pDrawable->pScreen->SourceValidate) { - pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h, subWindowMode); - } - SCREEN_WRAP(pDrawable->pScreen, SourceValidate); -} - -static void -RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, - INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask, - INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - WindowPtr srcWin, dstWin, maskWin = NULL; - - if (pMask) { // pMask can be NULL - maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pMask->pDrawable : NULL; - } - srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - // SCREEN_UNWRAP(ps, Composite); - ps->Composite = SCREENREC(pScreen)->Composite; - - if (srcWin && IsFramedWindow(srcWin)) - RootlessStartDrawing(srcWin); - if (maskWin && IsFramedWindow(maskWin)) - RootlessStartDrawing(maskWin); - if (dstWin && IsFramedWindow(dstWin)) - RootlessStartDrawing(dstWin); - - ps->Composite(op, pSrc, pMask, pDst, - xSrc, ySrc, xMask, yMask, - xDst, yDst, width, height); - - if (dstWin && IsFramedWindow(dstWin)) { - RootlessDamageRect(dstWin, xDst, yDst, width, height); - } - - ps->Composite = RootlessComposite; - // SCREEN_WRAP(ps, Composite); -} - - -static void -RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst, - PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc, - int nlist, GlyphListPtr list, GlyphPtr *glyphs) -{ - ScreenPtr pScreen = pDst->pDrawable->pScreen; - PictureScreenPtr ps = GetPictureScreen(pScreen); - int x, y; - int n; - GlyphPtr glyph; - WindowPtr srcWin, dstWin; - - srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pSrc->pDrawable : NULL; - dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ? - (WindowPtr)pDst->pDrawable : NULL; - - if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin); - if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin); - - //SCREEN_UNWRAP(ps, Glyphs); - ps->Glyphs = SCREENREC(pScreen)->Glyphs; - ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); - ps->Glyphs = RootlessGlyphs; - //SCREEN_WRAP(ps, Glyphs); - - if (dstWin && IsFramedWindow(dstWin)) { - x = xSrc; - y = ySrc; - - while (nlist--) { - x += list->xOff; - y += list->yOff; - n = list->len; - - /* Calling DamageRect for the bounding box of each glyph is - inefficient. So compute the union of all glyphs in a list - and damage that. */ - - if (n > 0) { - BoxRec box; - - glyph = *glyphs++; - - box.x1 = x - glyph->info.x; - box.y1 = y - glyph->info.y; - box.x2 = box.x1 + glyph->info.width; - box.y2 = box.y1 + glyph->info.height; - - x += glyph->info.xOff; - y += glyph->info.yOff; - - while (--n > 0) { - short x1, y1, x2, y2; - - glyph = *glyphs++; - - x1 = x - glyph->info.x; - y1 = y - glyph->info.y; - x2 = x1 + glyph->info.width; - y2 = y1 + glyph->info.height; - - box.x1 = max (box.x1, x1); - box.y1 = max (box.y1, y1); - box.x2 = max (box.x2, x2); - box.y2 = max (box.y2, y2); - - x += glyph->info.xOff; - y += glyph->info.yOff; - } - - RootlessDamageBox(dstWin, &box); - } - list++; - } - } -} - - -/* - * RootlessValidateTree - * ValidateTree is modified in two ways: - * - top-level windows don't clip each other - * - windows aren't clipped against root. - * These only matter when validating from the root. - */ -static int -RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind) -{ - int result; - RegionRec saveRoot; - ScreenPtr pScreen = pParent->drawable.pScreen; - - SCREEN_UNWRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE start "); - - // Use our custom version to validate from root - if (IsRoot(pParent)) { - RL_DEBUG_MSG("custom "); - result = RootlessMiValidateTree(pParent, pChild, kind); - } else { - HUGE_ROOT(pParent); - result = pScreen->ValidateTree(pParent, pChild, kind); - NORMAL_ROOT(pParent); - } - - SCREEN_WRAP(pScreen, ValidateTree); - RL_DEBUG_MSG("VALIDATETREE end\n"); - - return result; -} - - -/* - * RootlessMarkOverlappedWindows - * MarkOverlappedWindows is modified to ignore overlapping - * top-level windows. - */ -static Bool -RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst, - WindowPtr *ppLayerWin) -{ - RegionRec saveRoot; - Bool result; - ScreenPtr pScreen = pWin->drawable.pScreen; - SCREEN_UNWRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start "); - - HUGE_ROOT(pWin); - if (IsRoot(pWin)) { - // root - mark nothing - RL_DEBUG_MSG("is root not marking "); - result = FALSE; - } - else if (! IsTopLevel(pWin)) { - // not top-level window - mark normally - result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin); - } - else { - //top-level window - mark children ONLY - NO overlaps with sibs (?) - // This code copied from miMarkOverlappedWindows() - - register WindowPtr pChild; - Bool anyMarked = FALSE; - MarkWindowProcPtr MarkWindow = pScreen->MarkWindow; - - RL_DEBUG_MSG("is top level! "); - /* single layered systems are easy */ - if (ppLayerWin) *ppLayerWin = pWin; - - if (pWin == pFirst) { - /* Blindly mark pWin and all of its inferiors. This is a slight - * overkill if there are mapped windows that outside pWin's border, - * but it's better than wasting time on RectIn checks. - */ - pChild = pWin; - while (1) { - if (pChild->viewable) { - if (RegionBroken(&pChild->winSize)) - SetWinSize (pChild); - if (RegionBroken(&pChild->borderSize)) - SetBorderSize (pChild); - (* MarkWindow)(pChild); - if (pChild->firstChild) { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pWin)) - pChild = pChild->parent; - if (pChild == pWin) - break; - pChild = pChild->nextSib; - } - anyMarked = TRUE; - } - if (anyMarked) - (* MarkWindow)(pWin->parent); - result = anyMarked; - } - NORMAL_ROOT(pWin); - SCREEN_WRAP(pScreen, MarkOverlappedWindows); - RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n"); - - return result; -} - -static void expose_1 (WindowPtr pWin) { - WindowPtr pChild; - - if (!pWin->realized) - return; - - miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND); - - /* FIXME: comments in windowstr.h indicate that borderClip doesn't - include subwindow visibility. But I'm not so sure.. so we may - be exposing too much.. */ - - miSendExposures (pWin, &pWin->borderClip, - pWin->drawable.x, pWin->drawable.y); - - for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib) - expose_1 (pChild); -} - -void -RootlessScreenExpose (ScreenPtr pScreen) -{ - expose_1 (pScreen->root); -} - - -ColormapPtr -RootlessGetColormap (ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC (pScreen); - - return s->colormap; -} - -static void -RootlessInstallColormap (ColormapPtr pMap) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, InstallColormap); - - if (s->colormap != pMap) { - s->colormap = pMap; - s->colormap_changed = TRUE; - RootlessQueueRedisplay (pScreen); - } - - pScreen->InstallColormap (pMap); - - SCREEN_WRAP (pScreen, InstallColormap); -} - -static void -RootlessUninstallColormap (ColormapPtr pMap) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, UninstallColormap); - - if (s->colormap == pMap) - s->colormap = NULL; - - pScreen->UninstallColormap (pMap); - - SCREEN_WRAP(pScreen, UninstallColormap); -} - -static void -RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef) -{ - ScreenPtr pScreen = pMap->pScreen; - RootlessScreenRec *s = SCREENREC (pScreen); - - SCREEN_UNWRAP(pScreen, StoreColors); - - if (s->colormap == pMap && ndef > 0) { - s->colormap_changed = TRUE; - RootlessQueueRedisplay (pScreen); - } - - pScreen->StoreColors (pMap, ndef, pdef); - - SCREEN_WRAP(pScreen, StoreColors); -} - - -static CARD32 -RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg) -{ - RootlessScreenRec *screenRec = arg; - - if (!screenRec->redisplay_queued) { - /* No update needed. Stop the timer. */ - - screenRec->redisplay_timer_set = FALSE; - return 0; - } - - screenRec->redisplay_queued = FALSE; - - /* Mark that we should redisplay before waiting for I/O next time */ - screenRec->redisplay_expired = TRUE; - - /* Reinstall the timer immediately, so we get as close to our - redisplay interval as possible. */ - - return ROOTLESS_REDISPLAY_DELAY; -} - - -/* - * RootlessQueueRedisplay - * Queue a redisplay after a timer delay to ensure we do not redisplay - * too frequently. - */ -void -RootlessQueueRedisplay(ScreenPtr pScreen) -{ - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - screenRec->redisplay_queued = TRUE; - - if (screenRec->redisplay_timer_set) - return; - - screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer, - 0, ROOTLESS_REDISPLAY_DELAY, - RootlessRedisplayCallback, - screenRec); - screenRec->redisplay_timer_set = TRUE; -} - - -/* - * RootlessBlockHandler - * If the redisplay timer has expired, flush drawing before blocking - * on select(). - */ -static void -RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask) -{ - ScreenPtr pScreen = pbdata; - RootlessScreenRec *screenRec = SCREENREC(pScreen); - - if (screenRec->redisplay_expired) { - screenRec->redisplay_expired = FALSE; - - RootlessRedisplayScreen(pScreen); - } -} - - -static void -RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask) -{ - // nothing here -} - - -static Bool -RootlessAllocatePrivates(ScreenPtr pScreen) -{ - RootlessScreenRec *s; - - if (!dixRegisterPrivateKey(&rootlessGCPrivateKeyRec, PRIVATE_GC, sizeof(RootlessGCRec))) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessWindowPrivateKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - if (!dixRegisterPrivateKey(&rootlessWindowOldPixmapPrivateKeyRec, PRIVATE_WINDOW, 0)) - return FALSE; - - s = malloc(sizeof(RootlessScreenRec)); - if (! s) return FALSE; - SETSCREENREC(pScreen, s); - - s->pixmap_data = NULL; - s->pixmap_data_size = 0; - - s->redisplay_timer = NULL; - s->redisplay_timer_set = FALSE; - - return TRUE; -} - - -static void -RootlessWrap(ScreenPtr pScreen) -{ - RootlessScreenRec *s = SCREENREC(pScreen); - -#define WRAP(a) \ - if (pScreen->a) { \ - s->a = pScreen->a; \ - } else { \ - RL_DEBUG_MSG("null screen fn " #a "\n"); \ - s->a = NULL; \ - } \ - pScreen->a = Rootless##a - - WRAP(CreateScreenResources); - WRAP(CloseScreen); - WRAP(CreateGC); - WRAP(CopyWindow); - WRAP(GetImage); - WRAP(SourceValidate); - WRAP(CreateWindow); - WRAP(DestroyWindow); - WRAP(RealizeWindow); - WRAP(UnrealizeWindow); - WRAP(MoveWindow); - WRAP(PositionWindow); - WRAP(ResizeWindow); - WRAP(RestackWindow); - WRAP(ReparentWindow); - WRAP(ChangeBorderWidth); - WRAP(MarkOverlappedWindows); - WRAP(ValidateTree); - WRAP(ChangeWindowAttributes); - WRAP(InstallColormap); - WRAP(UninstallColormap); - WRAP(StoreColors); - - WRAP(SetShape); - - { - // Composite and Glyphs don't use normal screen wrapping - PictureScreenPtr ps = GetPictureScreen(pScreen); - s->Composite = ps->Composite; - ps->Composite = RootlessComposite; - s->Glyphs = ps->Glyphs; - ps->Glyphs = RootlessGlyphs; - } - - // WRAP(ClearToBackground); fixme put this back? useful for shaped wins? - -#undef WRAP -} - - -/* - * RootlessInit - * Called by the rootless implementation to initialize the rootless layer. - * Rootless wraps lots of stuff and needs a bunch of devPrivates. - */ -Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs) -{ - RootlessScreenRec *s; - - if (!RootlessAllocatePrivates(pScreen)) - return FALSE; - - s = SCREENREC(pScreen); - - s->imp = procs; - s->colormap = NULL; - s->redisplay_expired = FALSE; - - RootlessWrap(pScreen); - - if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler, - RootlessWakeupHandler, - (pointer) pScreen)) - { - return FALSE; - } - - return TRUE; -} - -void RootlessUpdateRooted (Bool state) { - int i; - - if (!state) - { - for (i = 0; i < screenInfo.numScreens; i++) - RootlessDisableRoot (screenInfo.screens[i]); - } - else - { - for (i = 0; i < screenInfo.numScreens; i++) - RootlessEnableRoot (screenInfo.screens[i]); - } -} +/*
+ * Screen routines for generic rootless X server
+ */
+/*
+ * Copyright (c) 2001 Greg Parker. All Rights Reserved.
+ * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
+ * Copyright (c) 2002 Apple Computer, Inc. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name(s) of the above copyright
+ * holders shall not be used in advertising or otherwise to promote the sale,
+ * use or other dealings in this Software without prior written authorization.
+ */
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "mi.h"
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "propertyst.h"
+#include "mivalidate.h"
+#include "picturestr.h"
+#include "colormapst.h"
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <string.h>
+
+#include "rootlessCommon.h"
+#include "rootlessWindow.h"
+
+/* In milliseconds */
+#ifndef ROOTLESS_REDISPLAY_DELAY
+#define ROOTLESS_REDISPLAY_DELAY 10
+#endif
+
+extern int RootlessMiValidateTree(WindowPtr pRoot, WindowPtr pChild,
+ VTKind kind);
+extern Bool RootlessCreateGC(GCPtr pGC);
+
+// Initialize globals
+DevPrivateKeyRec rootlessGCPrivateKeyRec;
+DevPrivateKeyRec rootlessScreenPrivateKeyRec;
+DevPrivateKeyRec rootlessWindowPrivateKeyRec;
+DevPrivateKeyRec rootlessWindowOldPixmapPrivateKeyRec;
+
+/*
+ * RootlessUpdateScreenPixmap
+ * miCreateScreenResources does not like a null framebuffer pointer,
+ * it leaves the screen pixmap with an uninitialized data pointer.
+ * Thus, rootless implementations typically set the framebuffer width
+ * to zero so that miCreateScreenResources does not allocate a screen
+ * pixmap for us. We allocate our own screen pixmap here since we need
+ * the screen pixmap to be valid (e.g. CopyArea from the root window).
+ */
+void
+RootlessUpdateScreenPixmap(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC(pScreen);
+ PixmapPtr pPix;
+ unsigned int rowbytes;
+
+ pPix = (*pScreen->GetScreenPixmap)(pScreen);
+ if (pPix == NULL) {
+ pPix = (*pScreen->CreatePixmap)(pScreen, 0, 0, pScreen->rootDepth, 0);
+ (*pScreen->SetScreenPixmap)(pPix);
+ }
+
+ rowbytes = PixmapBytePad(pScreen->width, pScreen->rootDepth);
+
+ if (s->pixmap_data_size < rowbytes) {
+ free(s->pixmap_data);
+
+ s->pixmap_data_size = rowbytes;
+ s->pixmap_data = malloc(s->pixmap_data_size);
+ if (s->pixmap_data == NULL)
+ return;
+
+ memset(s->pixmap_data, 0xFF, s->pixmap_data_size);
+
+ pScreen->ModifyPixmapHeader(pPix, pScreen->width, pScreen->height,
+ pScreen->rootDepth,
+ BitsPerPixel(pScreen->rootDepth),
+ 0, s->pixmap_data);
+ /* ModifyPixmapHeader ignores zero arguments, so install rowbytes
+ by hand. */
+ pPix->devKind = 0;
+ }
+}
+
+
+/*
+ * RootlessCreateScreenResources
+ * Rootless implementations typically set a null framebuffer pointer, which
+ * causes problems with miCreateScreenResources. We fix things up here.
+ */
+static Bool
+RootlessCreateScreenResources(ScreenPtr pScreen)
+{
+ Bool ret = TRUE;
+
+ SCREEN_UNWRAP(pScreen, CreateScreenResources);
+
+ if (pScreen->CreateScreenResources != NULL)
+ ret = (*pScreen->CreateScreenResources)(pScreen);
+
+ SCREEN_WRAP(pScreen, CreateScreenResources);
+
+ if (!ret)
+ return ret;
+
+ /* Make sure we have a valid screen pixmap. */
+
+ RootlessUpdateScreenPixmap(pScreen);
+
+ return ret;
+}
+
+
+static Bool
+RootlessCloseScreen(int i, ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ s = SCREENREC(pScreen);
+
+ // fixme unwrap everything that was wrapped?
+ pScreen->CloseScreen = s->CloseScreen;
+
+ if (s->pixmap_data != NULL) {
+ free(s->pixmap_data);
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+ }
+
+ free(s);
+ return pScreen->CloseScreen(i, pScreen);
+}
+
+
+static void
+RootlessGetImage(DrawablePtr pDrawable, int sx, int sy, int w, int h,
+ unsigned int format, unsigned long planeMask, char *pdstLine)
+{
+ ScreenPtr pScreen = pDrawable->pScreen;
+ SCREEN_UNWRAP(pScreen, GetImage);
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ int x0, y0, x1, y1;
+ RootlessWindowRec *winRec;
+
+ // Many apps use GetImage to sync with the visible frame buffer
+ // FIXME: entire screen or just window or all screens?
+ RootlessRedisplayScreen(pScreen);
+
+ // RedisplayScreen stops drawing, so we need to start it again
+ RootlessStartDrawing((WindowPtr)pDrawable);
+
+ /* Check that we have some place to read from. */
+ winRec = WINREC(TopLevelParent((WindowPtr) pDrawable));
+ if (winRec == NULL)
+ goto out;
+
+ /* Clip to top-level window bounds. */
+ /* FIXME: fbGetImage uses the width parameter to calculate the
+ stride of the destination pixmap. If w is clipped, the data
+ returned will be garbage, although we will not crash. */
+
+ x0 = pDrawable->x + sx;
+ y0 = pDrawable->y + sy;
+ x1 = x0 + w;
+ y1 = y0 + h;
+
+ x0 = max (x0, winRec->x);
+ y0 = max (y0, winRec->y);
+ x1 = min (x1, winRec->x + winRec->width);
+ y1 = min (y1, winRec->y + winRec->height);
+
+ sx = x0 - pDrawable->x;
+ sy = y0 - pDrawable->y;
+ w = x1 - x0;
+ h = y1 - y0;
+
+ if (w <= 0 || h <= 0)
+ goto out;
+ }
+
+ pScreen->GetImage(pDrawable, sx, sy, w, h, format, planeMask, pdstLine);
+
+out:
+ SCREEN_WRAP(pScreen, GetImage);
+}
+
+
+/*
+ * RootlessSourceValidate
+ * CopyArea and CopyPlane use a GC tied to the destination drawable.
+ * StartDrawing/StopDrawing wrappers won't be called if source is
+ * a visible window but the destination isn't. So, we call StartDrawing
+ * here and leave StopDrawing for the block handler.
+ */
+static void
+RootlessSourceValidate(DrawablePtr pDrawable, int x, int y, int w, int h,
+ unsigned int subWindowMode)
+{
+ SCREEN_UNWRAP(pDrawable->pScreen, SourceValidate);
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ WindowPtr pWin = (WindowPtr)pDrawable;
+ RootlessStartDrawing(pWin);
+ }
+ if (pDrawable->pScreen->SourceValidate) {
+ pDrawable->pScreen->SourceValidate(pDrawable, x, y, w, h, subWindowMode);
+ }
+ SCREEN_WRAP(pDrawable->pScreen, SourceValidate);
+}
+
+static void
+RootlessComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
+ INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
+ INT16 xDst, INT16 yDst, CARD16 width, CARD16 height)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ WindowPtr srcWin, dstWin, maskWin = NULL;
+
+ if (pMask) { // pMask can be NULL
+ maskWin = (pMask->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pMask->pDrawable : NULL;
+ }
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ // SCREEN_UNWRAP(ps, Composite);
+ ps->Composite = SCREENREC(pScreen)->Composite;
+
+ if (srcWin && IsFramedWindow(srcWin))
+ RootlessStartDrawing(srcWin);
+ if (maskWin && IsFramedWindow(maskWin))
+ RootlessStartDrawing(maskWin);
+ if (dstWin && IsFramedWindow(dstWin))
+ RootlessStartDrawing(dstWin);
+
+ ps->Composite(op, pSrc, pMask, pDst,
+ xSrc, ySrc, xMask, yMask,
+ xDst, yDst, width, height);
+
+ if (dstWin && IsFramedWindow(dstWin)) {
+ RootlessDamageRect(dstWin, xDst, yDst, width, height);
+ }
+
+ ps->Composite = RootlessComposite;
+ // SCREEN_WRAP(ps, Composite);
+}
+
+
+static void
+RootlessGlyphs(CARD8 op, PicturePtr pSrc, PicturePtr pDst,
+ PictFormatPtr maskFormat, INT16 xSrc, INT16 ySrc,
+ int nlist, GlyphListPtr list, GlyphPtr *glyphs)
+{
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ int x, y;
+ int n;
+ GlyphPtr glyph;
+ WindowPtr srcWin, dstWin;
+
+ srcWin = (pSrc->pDrawable && pSrc->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pSrc->pDrawable : NULL;
+ dstWin = (pDst->pDrawable->type == DRAWABLE_WINDOW) ?
+ (WindowPtr)pDst->pDrawable : NULL;
+
+ if (srcWin && IsFramedWindow(srcWin)) RootlessStartDrawing(srcWin);
+ if (dstWin && IsFramedWindow(dstWin)) RootlessStartDrawing(dstWin);
+
+ //SCREEN_UNWRAP(ps, Glyphs);
+ ps->Glyphs = SCREENREC(pScreen)->Glyphs;
+ ps->Glyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs);
+ ps->Glyphs = RootlessGlyphs;
+ //SCREEN_WRAP(ps, Glyphs);
+
+ if (dstWin && IsFramedWindow(dstWin)) {
+ x = xSrc;
+ y = ySrc;
+
+ while (nlist--) {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+
+ /* Calling DamageRect for the bounding box of each glyph is
+ inefficient. So compute the union of all glyphs in a list
+ and damage that. */
+
+ if (n > 0) {
+ BoxRec box;
+
+ glyph = *glyphs++;
+
+ box.x1 = x - glyph->info.x;
+ box.y1 = y - glyph->info.y;
+ box.x2 = box.x1 + glyph->info.width;
+ box.y2 = box.y1 + glyph->info.height;
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+
+ while (--n > 0) {
+ short x1, y1, x2, y2;
+
+ glyph = *glyphs++;
+
+ x1 = x - glyph->info.x;
+ y1 = y - glyph->info.y;
+ x2 = x1 + glyph->info.width;
+ y2 = y1 + glyph->info.height;
+
+ box.x1 = max (box.x1, x1);
+ box.y1 = max (box.y1, y1);
+ box.x2 = max (box.x2, x2);
+ box.y2 = max (box.y2, y2);
+
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+
+ RootlessDamageBox(dstWin, &box);
+ }
+ list++;
+ }
+ }
+}
+
+
+/*
+ * RootlessValidateTree
+ * ValidateTree is modified in two ways:
+ * - top-level windows don't clip each other
+ * - windows aren't clipped against root.
+ * These only matter when validating from the root.
+ */
+static int
+RootlessValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ int result;
+ RegionRec saveRoot;
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+
+ SCREEN_UNWRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE start ");
+
+ // Use our custom version to validate from root
+ if (IsRoot(pParent)) {
+ RL_DEBUG_MSG("custom ");
+ result = RootlessMiValidateTree(pParent, pChild, kind);
+ } else {
+ HUGE_ROOT(pParent);
+ result = pScreen->ValidateTree(pParent, pChild, kind);
+ NORMAL_ROOT(pParent);
+ }
+
+ SCREEN_WRAP(pScreen, ValidateTree);
+ RL_DEBUG_MSG("VALIDATETREE end\n");
+
+ return result;
+}
+
+
+/*
+ * RootlessMarkOverlappedWindows
+ * MarkOverlappedWindows is modified to ignore overlapping
+ * top-level windows.
+ */
+static Bool
+RootlessMarkOverlappedWindows(WindowPtr pWin, WindowPtr pFirst,
+ WindowPtr *ppLayerWin)
+{
+ RegionRec saveRoot;
+ Bool result;
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ SCREEN_UNWRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS start ");
+
+ HUGE_ROOT(pWin);
+ if (IsRoot(pWin)) {
+ // root - mark nothing
+ RL_DEBUG_MSG("is root not marking ");
+ result = FALSE;
+ }
+ else if (! IsTopLevel(pWin)) {
+ // not top-level window - mark normally
+ result = pScreen->MarkOverlappedWindows(pWin, pFirst, ppLayerWin);
+ }
+ else {
+ //top-level window - mark children ONLY - NO overlaps with sibs (?)
+ // This code copied from miMarkOverlappedWindows()
+
+ register WindowPtr pChild;
+ Bool anyMarked = FALSE;
+ MarkWindowProcPtr MarkWindow = pScreen->MarkWindow;
+
+ RL_DEBUG_MSG("is top level! ");
+ /* single layered systems are easy */
+ if (ppLayerWin) *ppLayerWin = pWin;
+
+ if (pWin == pFirst) {
+ /* Blindly mark pWin and all of its inferiors. This is a slight
+ * overkill if there are mapped windows that outside pWin's border,
+ * but it's better than wasting time on RectIn checks.
+ */
+ pChild = pWin;
+ while (1) {
+ if (pChild->viewable) {
+ if (RegionBroken(&pChild->winSize))
+ SetWinSize (pChild);
+ if (RegionBroken(&pChild->borderSize))
+ SetBorderSize (pChild);
+ (* MarkWindow)(pChild);
+ if (pChild->firstChild) {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pWin))
+ pChild = pChild->parent;
+ if (pChild == pWin)
+ break;
+ pChild = pChild->nextSib;
+ }
+ anyMarked = TRUE;
+ }
+ if (anyMarked)
+ (* MarkWindow)(pWin->parent);
+ result = anyMarked;
+ }
+ NORMAL_ROOT(pWin);
+ SCREEN_WRAP(pScreen, MarkOverlappedWindows);
+ RL_DEBUG_MSG("MARKOVERLAPPEDWINDOWS end\n");
+
+ return result;
+}
+
+static void expose_1 (WindowPtr pWin) {
+ WindowPtr pChild;
+
+ if (!pWin->realized)
+ return;
+
+ miPaintWindow(pWin, &pWin->borderClip, PW_BACKGROUND);
+
+ /* FIXME: comments in windowstr.h indicate that borderClip doesn't
+ include subwindow visibility. But I'm not so sure.. so we may
+ be exposing too much.. */
+
+ miSendExposures (pWin, &pWin->borderClip,
+ pWin->drawable.x, pWin->drawable.y);
+
+ for (pChild = pWin->firstChild; pChild != NULL; pChild = pChild->nextSib)
+ expose_1 (pChild);
+}
+
+void
+RootlessScreenExpose (ScreenPtr pScreen)
+{
+ expose_1 (pScreen->root);
+}
+
+
+ColormapPtr
+RootlessGetColormap (ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ return s->colormap;
+}
+
+static void
+RootlessInstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, InstallColormap);
+
+ if (s->colormap != pMap) {
+ s->colormap = pMap;
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->InstallColormap (pMap);
+
+ SCREEN_WRAP (pScreen, InstallColormap);
+}
+
+static void
+RootlessUninstallColormap (ColormapPtr pMap)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, UninstallColormap);
+
+ if (s->colormap == pMap)
+ s->colormap = NULL;
+
+ pScreen->UninstallColormap (pMap);
+
+ SCREEN_WRAP(pScreen, UninstallColormap);
+}
+
+static void
+RootlessStoreColors (ColormapPtr pMap, int ndef, xColorItem *pdef)
+{
+ ScreenPtr pScreen = pMap->pScreen;
+ RootlessScreenRec *s = SCREENREC (pScreen);
+
+ SCREEN_UNWRAP(pScreen, StoreColors);
+
+ if (s->colormap == pMap && ndef > 0) {
+ s->colormap_changed = TRUE;
+ RootlessQueueRedisplay (pScreen);
+ }
+
+ pScreen->StoreColors (pMap, ndef, pdef);
+
+ SCREEN_WRAP(pScreen, StoreColors);
+}
+
+
+static CARD32
+RootlessRedisplayCallback(OsTimerPtr timer, CARD32 time, void *arg)
+{
+ RootlessScreenRec *screenRec = arg;
+
+ if (!screenRec->redisplay_queued) {
+ /* No update needed. Stop the timer. */
+
+ screenRec->redisplay_timer_set = FALSE;
+ return 0;
+ }
+
+ screenRec->redisplay_queued = FALSE;
+
+ /* Mark that we should redisplay before waiting for I/O next time */
+ screenRec->redisplay_expired = TRUE;
+
+ /* Reinstall the timer immediately, so we get as close to our
+ redisplay interval as possible. */
+
+ return ROOTLESS_REDISPLAY_DELAY;
+}
+
+
+/*
+ * RootlessQueueRedisplay
+ * Queue a redisplay after a timer delay to ensure we do not redisplay
+ * too frequently.
+ */
+void
+RootlessQueueRedisplay(ScreenPtr pScreen)
+{
+ RootlessScreenRec *screenRec = SCREENREC(pScreen);
+
+ screenRec->redisplay_queued = TRUE;
+
+ if (screenRec->redisplay_timer_set)
+ return;
+
+ screenRec->redisplay_timer = TimerSet(screenRec->redisplay_timer,
+ 0, ROOTLESS_REDISPLAY_DELAY,
+ RootlessRedisplayCallback,
+ screenRec);
+ screenRec->redisplay_timer_set = TRUE;
+}
+
+
+/*
+ * RootlessBlockHandler
+ * If the redisplay timer has expired, flush drawing before blocking
+ * on select().
+ */
+static void
+RootlessBlockHandler(pointer pbdata, OSTimePtr pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = pbdata;
+ RootlessScreenRec *screenRec = SCREENREC(pScreen);
+
+ if (screenRec->redisplay_expired) {
+ screenRec->redisplay_expired = FALSE;
+
+ RootlessRedisplayScreen(pScreen);
+ }
+}
+
+
+static void
+RootlessWakeupHandler(pointer data, int i, pointer LastSelectMask)
+{
+ // nothing here
+}
+
+
+static Bool
+RootlessAllocatePrivates(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s;
+
+ if (!dixRegisterPrivateKey(&rootlessGCPrivateKeyRec, PRIVATE_GC, sizeof(RootlessGCRec)))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&rootlessScreenPrivateKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&rootlessWindowPrivateKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&rootlessWindowOldPixmapPrivateKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+
+ s = malloc(sizeof(RootlessScreenRec));
+ if (! s) return FALSE;
+ SETSCREENREC(pScreen, s);
+
+ s->pixmap_data = NULL;
+ s->pixmap_data_size = 0;
+
+ s->redisplay_timer = NULL;
+ s->redisplay_timer_set = FALSE;
+
+ return TRUE;
+}
+
+
+static void
+RootlessWrap(ScreenPtr pScreen)
+{
+ RootlessScreenRec *s = SCREENREC(pScreen);
+
+#define WRAP(a) \
+ if (pScreen->a) { \
+ s->a = pScreen->a; \
+ } else { \
+ RL_DEBUG_MSG("null screen fn " #a "\n"); \
+ s->a = NULL; \
+ } \
+ pScreen->a = Rootless##a
+
+ WRAP(CreateScreenResources);
+ WRAP(CloseScreen);
+ WRAP(CreateGC);
+ WRAP(CopyWindow);
+ WRAP(GetImage);
+ WRAP(SourceValidate);
+ WRAP(CreateWindow);
+ WRAP(DestroyWindow);
+ WRAP(RealizeWindow);
+ WRAP(UnrealizeWindow);
+ WRAP(MoveWindow);
+ WRAP(PositionWindow);
+ WRAP(ResizeWindow);
+ WRAP(RestackWindow);
+ WRAP(ReparentWindow);
+ WRAP(ChangeBorderWidth);
+ WRAP(MarkOverlappedWindows);
+ WRAP(ValidateTree);
+ WRAP(ChangeWindowAttributes);
+ WRAP(InstallColormap);
+ WRAP(UninstallColormap);
+ WRAP(StoreColors);
+
+ WRAP(SetShape);
+
+ {
+ // Composite and Glyphs don't use normal screen wrapping
+ PictureScreenPtr ps = GetPictureScreen(pScreen);
+ s->Composite = ps->Composite;
+ ps->Composite = RootlessComposite;
+ s->Glyphs = ps->Glyphs;
+ ps->Glyphs = RootlessGlyphs;
+ }
+
+ // WRAP(ClearToBackground); fixme put this back? useful for shaped wins?
+
+#undef WRAP
+}
+
+
+/*
+ * RootlessInit
+ * Called by the rootless implementation to initialize the rootless layer.
+ * Rootless wraps lots of stuff and needs a bunch of devPrivates.
+ */
+Bool RootlessInit(ScreenPtr pScreen, RootlessFrameProcsPtr procs)
+{
+ RootlessScreenRec *s;
+
+ if (!RootlessAllocatePrivates(pScreen))
+ return FALSE;
+
+ s = SCREENREC(pScreen);
+
+ s->imp = procs;
+ s->colormap = NULL;
+ s->redisplay_expired = FALSE;
+
+ RootlessWrap(pScreen);
+
+ if (!RegisterBlockAndWakeupHandlers(RootlessBlockHandler,
+ RootlessWakeupHandler,
+ (pointer) pScreen))
+ {
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+void RootlessUpdateRooted (Bool state) {
+ int i;
+
+ if (!state)
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessDisableRoot (screenInfo.screens[i]);
+ }
+ else
+ {
+ for (i = 0; i < screenInfo.numScreens; i++)
+ RootlessEnableRoot (screenInfo.screens[i]);
+ }
+}
diff --git a/xorg-server/miext/rootless/rootlessValTree.c b/xorg-server/miext/rootless/rootlessValTree.c index 9aa881423..95bf20bad 100644 --- a/xorg-server/miext/rootless/rootlessValTree.c +++ b/xorg-server/miext/rootless/rootlessValTree.c @@ -1,621 +1,621 @@ -/* - * Calculate window clip lists for rootless mode - * - * This file is very closely based on mivaltree.c. - */ - -/* - * mivaltree.c -- - * Functions for recalculating window clip lists. Main function - * is miValidateTree. - * - -Copyright 1987, 1988, 1989, 1998 The Open Group - -All Rights Reserved. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN -AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN -CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of The Open Group shall not be -used in advertising or otherwise to promote the sale, use or other dealings -in this Software without prior written authorization from The Open Group. - - * - * Copyright 1987, 1988, 1989 by - * Digital Equipment Corporation, Maynard, Massachusetts, - * - * All Rights Reserved - * - * Permission to use, copy, modify, and distribute this software and its - * documentation for any purpose and without fee is hereby granted, - * provided that the above copyright notice appear in all copies and that - * both that copyright notice and this permission notice appear in - * supporting documentation, and that the name of Digital not be - * used in advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * - * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL - * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR - * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, - * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - * - ******************************************************************/ - -/* The panoramix components contained the following notice */ -/***************************************************************** - -Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software. - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, -BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, -WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR -IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of Digital Equipment Corporation -shall not be used in advertising or otherwise to promote the sale, use or other -dealings in this Software without prior written authorization from Digital -Equipment Corporation. - -******************************************************************/ - /* - * Aug '86: Susan Angebranndt -- original code - * July '87: Adam de Boor -- substantially modified and commented - * Summer '89: Joel McCormack -- so fast you wouldn't believe it possible. - * In particular, much improved code for window mapping and - * circulating. - * Bob Scheifler -- avoid miComputeClips for unmapped windows, - * valdata changes - */ -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <stddef.h> /* For NULL */ -#include <X11/X.h> -#include "scrnintstr.h" -#include "validate.h" -#include "windowstr.h" -#include "mi.h" -#include "regionstr.h" -#include "mivalidate.h" - -#include "globals.h" - -int RootlessMiValidateTree (WindowPtr pRoot, WindowPtr pChild, VTKind kind); - -/* - * Compute the visibility of a shaped window - */ -static int -RootlessShapedWindowIn (RegionPtr universe, - RegionPtr bounding, BoxPtr rect, int x, int y) -{ - BoxRec box; - register BoxPtr boundBox; - int nbox; - Bool someIn, someOut; - register int t, x1, y1, x2, y2; - - nbox = RegionNumRects (bounding); - boundBox = RegionRects (bounding); - someIn = someOut = FALSE; - x1 = rect->x1; - y1 = rect->y1; - x2 = rect->x2; - y2 = rect->y2; - while (nbox--) - { - if ((t = boundBox->x1 + x) < x1) - t = x1; - box.x1 = t; - if ((t = boundBox->y1 + y) < y1) - t = y1; - box.y1 = t; - if ((t = boundBox->x2 + x) > x2) - t = x2; - box.x2 = t; - if ((t = boundBox->y2 + y) > y2) - t = y2; - box.y2 = t; - if (box.x1 > box.x2) - box.x2 = box.x1; - if (box.y1 > box.y2) - box.y2 = box.y1; - switch (RegionContainsRect(universe, &box)) - { - case rgnIN: - if (someOut) - return rgnPART; - someIn = TRUE; - break; - case rgnOUT: - if (someIn) - return rgnPART; - someOut = TRUE; - break; - default: - return rgnPART; - } - boundBox++; - } - if (someIn) - return rgnIN; - return rgnOUT; -} - -#define HasParentRelativeBorder(w) (!(w)->borderIsPixel && \ - HasBorder(w) && \ - (w)->backgroundState == ParentRelative) - - -/* - *----------------------------------------------------------------------- - * RootlessComputeClips -- - * Recompute the clipList, borderClip, exposed and borderExposed - * regions for pParent and its children. Only viewable windows are - * taken into account. - * - * Results: - * None. - * - * Side Effects: - * clipList, borderClip, exposed and borderExposed are altered. - * A VisibilityNotify event may be generated on the parent window. - * - *----------------------------------------------------------------------- - */ -static void -RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen, - RegionPtr universe, VTKind kind, RegionPtr exposed) -{ - int dx, - dy; - RegionRec childUniverse; - register WindowPtr pChild; - int oldVis, newVis; - BoxRec borderSize; - RegionRec childUnion; - Bool overlap; - RegionPtr borderVisible; - /* - * Figure out the new visibility of this window. - * The extent of the universe should be the same as the extent of - * the borderSize region. If the window is unobscured, this rectangle - * will be completely inside the universe (the universe will cover it - * completely). If the window is completely obscured, none of the - * universe will cover the rectangle. - */ - borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent); - borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent); - dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent); - if (dx > 32767) - dx = 32767; - borderSize.x2 = dx; - dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent); - if (dy > 32767) - dy = 32767; - borderSize.y2 = dy; - - oldVis = pParent->visibility; - switch (RegionContainsRect(universe, &borderSize)) - { - case rgnIN: - newVis = VisibilityUnobscured; - break; - case rgnPART: - newVis = VisibilityPartiallyObscured; - { - RegionPtr pBounding; - - if ((pBounding = wBoundingShape (pParent))) - { - switch (RootlessShapedWindowIn (universe, - pBounding, &borderSize, - pParent->drawable.x, - pParent->drawable.y)) - { - case rgnIN: - newVis = VisibilityUnobscured; - break; - case rgnOUT: - newVis = VisibilityFullyObscured; - break; - } - } - } - break; - default: - newVis = VisibilityFullyObscured; - break; - } - - pParent->visibility = newVis; - if (oldVis != newVis && - ((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask)) - SendVisibilityNotify(pParent); - - dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x; - dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y; - - /* - * avoid computations when dealing with simple operations - */ - - switch (kind) { - case VTMap: - case VTStack: - case VTUnmap: - break; - case VTMove: - if ((oldVis == newVis) && - ((oldVis == VisibilityFullyObscured) || - (oldVis == VisibilityUnobscured))) - { - pChild = pParent; - while (1) - { - if (pChild->viewable) - { - if (pChild->visibility != VisibilityFullyObscured) - { - RegionTranslate(&pChild->borderClip, - dx, dy); - RegionTranslate(&pChild->clipList, - dx, dy); - pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER; - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pChild, dx, dy); - - } - if (pChild->valdata) - { - RegionNull(&pChild->valdata->after.borderExposed); - if (HasParentRelativeBorder(pChild)) - { - RegionSubtract(&pChild->valdata->after.borderExposed, - &pChild->borderClip, - &pChild->winSize); - } - RegionNull(&pChild->valdata->after.exposed); - } - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pParent)) - pChild = pChild->parent; - if (pChild == pParent) - break; - pChild = pChild->nextSib; - } - return; - } - /* fall through */ - default: - /* - * To calculate exposures correctly, we have to translate the old - * borderClip and clipList regions to the window's new location so there - * is a correspondence between pieces of the new and old clipping regions. - */ - if (dx || dy) - { - /* - * We translate the old clipList because that will be exposed or copied - * if gravity is right. - */ - RegionTranslate(&pParent->borderClip, dx, dy); - RegionTranslate(&pParent->clipList, dx, dy); - } - break; - case VTBroken: - RegionEmpty(&pParent->borderClip); - RegionEmpty(&pParent->clipList); - break; - } - - borderVisible = pParent->valdata->before.borderVisible; - RegionNull(&pParent->valdata->after.borderExposed); - RegionNull(&pParent->valdata->after.exposed); - - /* - * Since the borderClip must not be clipped by the children, we do - * the border exposure first... - * - * 'universe' is the window's borderClip. To figure the exposures, remove - * the area that used to be exposed from the new. - * This leaves a region of pieces that weren't exposed before. - */ - - if (HasBorder (pParent)) - { - if (borderVisible) - { - /* - * when the border changes shape, the old visible portions - * of the border will be saved by DIX in borderVisible -- - * use that region and destroy it - */ - RegionSubtract(exposed, universe, borderVisible); - RegionDestroy(borderVisible); - } - else - { - RegionSubtract(exposed, universe, &pParent->borderClip); - } - if (HasParentRelativeBorder(pParent) && (dx || dy)) { - RegionSubtract(&pParent->valdata->after.borderExposed, - universe, - &pParent->winSize); - } else { - RegionSubtract(&pParent->valdata->after.borderExposed, - exposed, &pParent->winSize); - } - - RegionCopy(&pParent->borderClip, universe); - - /* - * To get the right clipList for the parent, and to make doubly sure - * that no child overlaps the parent's border, we remove the parent's - * border from the universe before proceeding. - */ - - RegionIntersect(universe, universe, &pParent->winSize); - } - else - RegionCopy(&pParent->borderClip, universe); - - if ((pChild = pParent->firstChild) && pParent->mapped) - { - RegionNull(&childUniverse); - RegionNull(&childUnion); - if ((pChild->drawable.y < pParent->lastChild->drawable.y) || - ((pChild->drawable.y == pParent->lastChild->drawable.y) && - (pChild->drawable.x < pParent->lastChild->drawable.x))) - { - for (; pChild; pChild = pChild->nextSib) - { - if (pChild->viewable) - RegionAppend(&childUnion, &pChild->borderSize); - } - } - else - { - for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib) - { - if (pChild->viewable) - RegionAppend(&childUnion, &pChild->borderSize); - } - } - RegionValidate(&childUnion, &overlap); - - for (pChild = pParent->firstChild; - pChild; - pChild = pChild->nextSib) - { - if (pChild->viewable) { - /* - * If the child is viewable, we want to remove its extents - * from the current universe, but we only re-clip it if - * it's been marked. - */ - if (pChild->valdata) { - /* - * Figure out the new universe from the child's - * perspective and recurse. - */ - RegionIntersect(&childUniverse, - universe, - &pChild->borderSize); - RootlessComputeClips (pChild, pScreen, &childUniverse, - kind, exposed); - } - /* - * Once the child has been processed, we remove its extents - * from the current universe, thus denying its space to any - * other sibling. - */ - if (overlap) - RegionSubtract(universe, universe, - &pChild->borderSize); - } - } - if (!overlap) - RegionSubtract(universe, universe, &childUnion); - RegionUninit(&childUnion); - RegionUninit(&childUniverse); - } /* if any children */ - - /* - * 'universe' now contains the new clipList for the parent window. - * - * To figure the exposure of the window we subtract the old clip from the - * new, just as for the border. - */ - - if (oldVis == VisibilityFullyObscured || - oldVis == VisibilityNotViewable) - { - RegionCopy(&pParent->valdata->after.exposed, universe); - } - else if (newVis != VisibilityFullyObscured && - newVis != VisibilityNotViewable) - { - RegionSubtract(&pParent->valdata->after.exposed, - universe, &pParent->clipList); - } - - /* HACK ALERT - copying contents of regions, instead of regions */ - { - RegionRec tmp; - - tmp = pParent->clipList; - pParent->clipList = *universe; - *universe = tmp; - } - -#ifdef NOTDEF - RegionCopy(&pParent->clipList, universe); -#endif - - pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER; - - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pParent, dx, dy); -} - -static void -RootlessTreeObscured(WindowPtr pParent) -{ - register WindowPtr pChild; - register int oldVis; - - pChild = pParent; - while (1) - { - if (pChild->viewable) - { - oldVis = pChild->visibility; - if (oldVis != (pChild->visibility = VisibilityFullyObscured) && - ((pChild->eventMask | wOtherEventMasks(pChild)) & VisibilityChangeMask)) - SendVisibilityNotify(pChild); - if (pChild->firstChild) - { - pChild = pChild->firstChild; - continue; - } - } - while (!pChild->nextSib && (pChild != pParent)) - pChild = pChild->parent; - if (pChild == pParent) - break; - pChild = pChild->nextSib; - } -} - -/* - *----------------------------------------------------------------------- - * RootlessMiValidateTree -- - * Recomputes the clip list for pParent and all its inferiors. - * - * Results: - * Always returns 1. - * - * Side Effects: - * The clipList, borderClip, exposed, and borderExposed regions for - * each marked window are altered. - * - * Notes: - * This routine assumes that all affected windows have been marked - * (valdata created) and their winSize and borderSize regions - * adjusted to correspond to their new positions. The borderClip and - * clipList regions should not have been touched. - * - * The top-most level is treated differently from all lower levels - * because pParent is unchanged. For the top level, we merge the - * regions taken up by the marked children back into the clipList - * for pParent, thus forming a region from which the marked children - * can claim their areas. For lower levels, where the old clipList - * and borderClip are invalid, we can't do this and have to do the - * extra operations done in miComputeClips, but this is much faster - * e.g. when only one child has moved... - * - *----------------------------------------------------------------------- - */ -/* - Quartz version: used for validate from root in rootless mode. - We need to make sure top-level windows don't clip each other, - and that top-level windows aren't clipped to the root window. -*/ -/*ARGSUSED*/ -// fixme this is ugly -// Xprint/ValTree.c doesn't work, but maybe that method can? -int -RootlessMiValidateTree (WindowPtr pRoot, /* Parent to validate */ - WindowPtr pChild, /* First child of pRoot that was - * affected */ - VTKind kind /* What kind of configuration caused call */) -{ - RegionRec childClip; /* The new borderClip for the current - * child */ - RegionRec exposed; /* For intermediate calculations */ - register ScreenPtr pScreen; - register WindowPtr pWin; - - pScreen = pRoot->drawable.pScreen; - if (pChild == NullWindow) - pChild = pRoot->firstChild; - - RegionNull(&childClip); - RegionNull(&exposed); - - if (RegionBroken(&pRoot->clipList) && - !RegionBroken(&pRoot->borderClip)) - { - // fixme this might not work, but hopefully doesn't happen anyway. - kind = VTBroken; - RegionEmpty(&pRoot->clipList); - ErrorF("ValidateTree: BUSTED!\n"); - } - - /* - * Recursively compute the clips for all children of the root. - * They don't clip against each other or the root itself, so - * childClip is always reset to that child's size. - */ - - for (pWin = pChild; - pWin != NullWindow; - pWin = pWin->nextSib) - { - if (pWin->viewable) { - if (pWin->valdata) { - RegionCopy(&childClip, &pWin->borderSize); - RootlessComputeClips (pWin, pScreen, &childClip, kind, &exposed); - } else if (pWin->visibility == VisibilityNotViewable) { - RootlessTreeObscured(pWin); - } - } else { - if (pWin->valdata) { - RegionEmpty(&pWin->clipList); - if (pScreen->ClipNotify) - (* pScreen->ClipNotify) (pWin, 0, 0); - RegionEmpty(&pWin->borderClip); - pWin->valdata = NULL; - } - } - } - - RegionUninit(&childClip); - - /* The root is never clipped by its children, so nothing on the root - is ever exposed by moving or mapping its children. */ - RegionNull(&pRoot->valdata->after.exposed); - RegionNull(&pRoot->valdata->after.borderExposed); - - return 1; -} +/*
+ * Calculate window clip lists for rootless mode
+ *
+ * This file is very closely based on mivaltree.c.
+ */
+
+/*
+ * mivaltree.c --
+ * Functions for recalculating window clip lists. Main function
+ * is miValidateTree.
+ *
+
+Copyright 1987, 1988, 1989, 1998 The Open Group
+
+All Rights Reserved.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+ *
+ * Copyright 1987, 1988, 1989 by
+ * Digital Equipment Corporation, Maynard, Massachusetts,
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted,
+ * provided that the above copyright notice appear in all copies and that
+ * both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Digital not be
+ * used in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission.
+ *
+ * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
+ * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
+ * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ *
+ ******************************************************************/
+
+/* The panoramix components contained the following notice */
+/*****************************************************************
+
+Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING,
+BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Digital Equipment Corporation
+shall not be used in advertising or otherwise to promote the sale, use or other
+dealings in this Software without prior written authorization from Digital
+Equipment Corporation.
+
+******************************************************************/
+ /*
+ * Aug '86: Susan Angebranndt -- original code
+ * July '87: Adam de Boor -- substantially modified and commented
+ * Summer '89: Joel McCormack -- so fast you wouldn't believe it possible.
+ * In particular, much improved code for window mapping and
+ * circulating.
+ * Bob Scheifler -- avoid miComputeClips for unmapped windows,
+ * valdata changes
+ */
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <stddef.h> /* For NULL */
+#include <X11/X.h>
+#include "scrnintstr.h"
+#include "validate.h"
+#include "windowstr.h"
+#include "mi.h"
+#include "regionstr.h"
+#include "mivalidate.h"
+
+#include "globals.h"
+
+int RootlessMiValidateTree (WindowPtr pRoot, WindowPtr pChild, VTKind kind);
+
+/*
+ * Compute the visibility of a shaped window
+ */
+static int
+RootlessShapedWindowIn (RegionPtr universe,
+ RegionPtr bounding, BoxPtr rect, int x, int y)
+{
+ BoxRec box;
+ register BoxPtr boundBox;
+ int nbox;
+ Bool someIn, someOut;
+ register int t, x1, y1, x2, y2;
+
+ nbox = RegionNumRects (bounding);
+ boundBox = RegionRects (bounding);
+ someIn = someOut = FALSE;
+ x1 = rect->x1;
+ y1 = rect->y1;
+ x2 = rect->x2;
+ y2 = rect->y2;
+ while (nbox--)
+ {
+ if ((t = boundBox->x1 + x) < x1)
+ t = x1;
+ box.x1 = t;
+ if ((t = boundBox->y1 + y) < y1)
+ t = y1;
+ box.y1 = t;
+ if ((t = boundBox->x2 + x) > x2)
+ t = x2;
+ box.x2 = t;
+ if ((t = boundBox->y2 + y) > y2)
+ t = y2;
+ box.y2 = t;
+ if (box.x1 > box.x2)
+ box.x2 = box.x1;
+ if (box.y1 > box.y2)
+ box.y2 = box.y1;
+ switch (RegionContainsRect(universe, &box))
+ {
+ case rgnIN:
+ if (someOut)
+ return rgnPART;
+ someIn = TRUE;
+ break;
+ case rgnOUT:
+ if (someIn)
+ return rgnPART;
+ someOut = TRUE;
+ break;
+ default:
+ return rgnPART;
+ }
+ boundBox++;
+ }
+ if (someIn)
+ return rgnIN;
+ return rgnOUT;
+}
+
+#define HasParentRelativeBorder(w) (!(w)->borderIsPixel && \
+ HasBorder(w) && \
+ (w)->backgroundState == ParentRelative)
+
+
+/*
+ *-----------------------------------------------------------------------
+ * RootlessComputeClips --
+ * Recompute the clipList, borderClip, exposed and borderExposed
+ * regions for pParent and its children. Only viewable windows are
+ * taken into account.
+ *
+ * Results:
+ * None.
+ *
+ * Side Effects:
+ * clipList, borderClip, exposed and borderExposed are altered.
+ * A VisibilityNotify event may be generated on the parent window.
+ *
+ *-----------------------------------------------------------------------
+ */
+static void
+RootlessComputeClips (WindowPtr pParent, ScreenPtr pScreen,
+ RegionPtr universe, VTKind kind, RegionPtr exposed)
+{
+ int dx,
+ dy;
+ RegionRec childUniverse;
+ register WindowPtr pChild;
+ int oldVis, newVis;
+ BoxRec borderSize;
+ RegionRec childUnion;
+ Bool overlap;
+ RegionPtr borderVisible;
+ /*
+ * Figure out the new visibility of this window.
+ * The extent of the universe should be the same as the extent of
+ * the borderSize region. If the window is unobscured, this rectangle
+ * will be completely inside the universe (the universe will cover it
+ * completely). If the window is completely obscured, none of the
+ * universe will cover the rectangle.
+ */
+ borderSize.x1 = pParent->drawable.x - wBorderWidth(pParent);
+ borderSize.y1 = pParent->drawable.y - wBorderWidth(pParent);
+ dx = (int) pParent->drawable.x + (int) pParent->drawable.width + wBorderWidth(pParent);
+ if (dx > 32767)
+ dx = 32767;
+ borderSize.x2 = dx;
+ dy = (int) pParent->drawable.y + (int) pParent->drawable.height + wBorderWidth(pParent);
+ if (dy > 32767)
+ dy = 32767;
+ borderSize.y2 = dy;
+
+ oldVis = pParent->visibility;
+ switch (RegionContainsRect(universe, &borderSize))
+ {
+ case rgnIN:
+ newVis = VisibilityUnobscured;
+ break;
+ case rgnPART:
+ newVis = VisibilityPartiallyObscured;
+ {
+ RegionPtr pBounding;
+
+ if ((pBounding = wBoundingShape (pParent)))
+ {
+ switch (RootlessShapedWindowIn (universe,
+ pBounding, &borderSize,
+ pParent->drawable.x,
+ pParent->drawable.y))
+ {
+ case rgnIN:
+ newVis = VisibilityUnobscured;
+ break;
+ case rgnOUT:
+ newVis = VisibilityFullyObscured;
+ break;
+ }
+ }
+ }
+ break;
+ default:
+ newVis = VisibilityFullyObscured;
+ break;
+ }
+
+ pParent->visibility = newVis;
+ if (oldVis != newVis &&
+ ((pParent->eventMask | wOtherEventMasks(pParent)) & VisibilityChangeMask))
+ SendVisibilityNotify(pParent);
+
+ dx = pParent->drawable.x - pParent->valdata->before.oldAbsCorner.x;
+ dy = pParent->drawable.y - pParent->valdata->before.oldAbsCorner.y;
+
+ /*
+ * avoid computations when dealing with simple operations
+ */
+
+ switch (kind) {
+ case VTMap:
+ case VTStack:
+ case VTUnmap:
+ break;
+ case VTMove:
+ if ((oldVis == newVis) &&
+ ((oldVis == VisibilityFullyObscured) ||
+ (oldVis == VisibilityUnobscured)))
+ {
+ pChild = pParent;
+ while (1)
+ {
+ if (pChild->viewable)
+ {
+ if (pChild->visibility != VisibilityFullyObscured)
+ {
+ RegionTranslate(&pChild->borderClip,
+ dx, dy);
+ RegionTranslate(&pChild->clipList,
+ dx, dy);
+ pChild->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ if (pScreen->ClipNotify)
+ (* pScreen->ClipNotify) (pChild, dx, dy);
+
+ }
+ if (pChild->valdata)
+ {
+ RegionNull(&pChild->valdata->after.borderExposed);
+ if (HasParentRelativeBorder(pChild))
+ {
+ RegionSubtract(&pChild->valdata->after.borderExposed,
+ &pChild->borderClip,
+ &pChild->winSize);
+ }
+ RegionNull(&pChild->valdata->after.exposed);
+ }
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pParent))
+ pChild = pChild->parent;
+ if (pChild == pParent)
+ break;
+ pChild = pChild->nextSib;
+ }
+ return;
+ }
+ /* fall through */
+ default:
+ /*
+ * To calculate exposures correctly, we have to translate the old
+ * borderClip and clipList regions to the window's new location so there
+ * is a correspondence between pieces of the new and old clipping regions.
+ */
+ if (dx || dy)
+ {
+ /*
+ * We translate the old clipList because that will be exposed or copied
+ * if gravity is right.
+ */
+ RegionTranslate(&pParent->borderClip, dx, dy);
+ RegionTranslate(&pParent->clipList, dx, dy);
+ }
+ break;
+ case VTBroken:
+ RegionEmpty(&pParent->borderClip);
+ RegionEmpty(&pParent->clipList);
+ break;
+ }
+
+ borderVisible = pParent->valdata->before.borderVisible;
+ RegionNull(&pParent->valdata->after.borderExposed);
+ RegionNull(&pParent->valdata->after.exposed);
+
+ /*
+ * Since the borderClip must not be clipped by the children, we do
+ * the border exposure first...
+ *
+ * 'universe' is the window's borderClip. To figure the exposures, remove
+ * the area that used to be exposed from the new.
+ * This leaves a region of pieces that weren't exposed before.
+ */
+
+ if (HasBorder (pParent))
+ {
+ if (borderVisible)
+ {
+ /*
+ * when the border changes shape, the old visible portions
+ * of the border will be saved by DIX in borderVisible --
+ * use that region and destroy it
+ */
+ RegionSubtract(exposed, universe, borderVisible);
+ RegionDestroy(borderVisible);
+ }
+ else
+ {
+ RegionSubtract(exposed, universe, &pParent->borderClip);
+ }
+ if (HasParentRelativeBorder(pParent) && (dx || dy)) {
+ RegionSubtract(&pParent->valdata->after.borderExposed,
+ universe,
+ &pParent->winSize);
+ } else {
+ RegionSubtract(&pParent->valdata->after.borderExposed,
+ exposed, &pParent->winSize);
+ }
+
+ RegionCopy(&pParent->borderClip, universe);
+
+ /*
+ * To get the right clipList for the parent, and to make doubly sure
+ * that no child overlaps the parent's border, we remove the parent's
+ * border from the universe before proceeding.
+ */
+
+ RegionIntersect(universe, universe, &pParent->winSize);
+ }
+ else
+ RegionCopy(&pParent->borderClip, universe);
+
+ if ((pChild = pParent->firstChild) && pParent->mapped)
+ {
+ RegionNull(&childUniverse);
+ RegionNull(&childUnion);
+ if ((pChild->drawable.y < pParent->lastChild->drawable.y) ||
+ ((pChild->drawable.y == pParent->lastChild->drawable.y) &&
+ (pChild->drawable.x < pParent->lastChild->drawable.x)))
+ {
+ for (; pChild; pChild = pChild->nextSib)
+ {
+ if (pChild->viewable)
+ RegionAppend(&childUnion, &pChild->borderSize);
+ }
+ }
+ else
+ {
+ for (pChild = pParent->lastChild; pChild; pChild = pChild->prevSib)
+ {
+ if (pChild->viewable)
+ RegionAppend(&childUnion, &pChild->borderSize);
+ }
+ }
+ RegionValidate(&childUnion, &overlap);
+
+ for (pChild = pParent->firstChild;
+ pChild;
+ pChild = pChild->nextSib)
+ {
+ if (pChild->viewable) {
+ /*
+ * If the child is viewable, we want to remove its extents
+ * from the current universe, but we only re-clip it if
+ * it's been marked.
+ */
+ if (pChild->valdata) {
+ /*
+ * Figure out the new universe from the child's
+ * perspective and recurse.
+ */
+ RegionIntersect(&childUniverse,
+ universe,
+ &pChild->borderSize);
+ RootlessComputeClips (pChild, pScreen, &childUniverse,
+ kind, exposed);
+ }
+ /*
+ * Once the child has been processed, we remove its extents
+ * from the current universe, thus denying its space to any
+ * other sibling.
+ */
+ if (overlap)
+ RegionSubtract(universe, universe,
+ &pChild->borderSize);
+ }
+ }
+ if (!overlap)
+ RegionSubtract(universe, universe, &childUnion);
+ RegionUninit(&childUnion);
+ RegionUninit(&childUniverse);
+ } /* if any children */
+
+ /*
+ * 'universe' now contains the new clipList for the parent window.
+ *
+ * To figure the exposure of the window we subtract the old clip from the
+ * new, just as for the border.
+ */
+
+ if (oldVis == VisibilityFullyObscured ||
+ oldVis == VisibilityNotViewable)
+ {
+ RegionCopy(&pParent->valdata->after.exposed, universe);
+ }
+ else if (newVis != VisibilityFullyObscured &&
+ newVis != VisibilityNotViewable)
+ {
+ RegionSubtract(&pParent->valdata->after.exposed,
+ universe, &pParent->clipList);
+ }
+
+ /* HACK ALERT - copying contents of regions, instead of regions */
+ {
+ RegionRec tmp;
+
+ tmp = pParent->clipList;
+ pParent->clipList = *universe;
+ *universe = tmp;
+ }
+
+#ifdef NOTDEF
+ RegionCopy(&pParent->clipList, universe);
+#endif
+
+ pParent->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+
+ if (pScreen->ClipNotify)
+ (* pScreen->ClipNotify) (pParent, dx, dy);
+}
+
+static void
+RootlessTreeObscured(WindowPtr pParent)
+{
+ register WindowPtr pChild;
+ register int oldVis;
+
+ pChild = pParent;
+ while (1)
+ {
+ if (pChild->viewable)
+ {
+ oldVis = pChild->visibility;
+ if (oldVis != (pChild->visibility = VisibilityFullyObscured) &&
+ ((pChild->eventMask | wOtherEventMasks(pChild)) & VisibilityChangeMask))
+ SendVisibilityNotify(pChild);
+ if (pChild->firstChild)
+ {
+ pChild = pChild->firstChild;
+ continue;
+ }
+ }
+ while (!pChild->nextSib && (pChild != pParent))
+ pChild = pChild->parent;
+ if (pChild == pParent)
+ break;
+ pChild = pChild->nextSib;
+ }
+}
+
+/*
+ *-----------------------------------------------------------------------
+ * RootlessMiValidateTree --
+ * Recomputes the clip list for pParent and all its inferiors.
+ *
+ * Results:
+ * Always returns 1.
+ *
+ * Side Effects:
+ * The clipList, borderClip, exposed, and borderExposed regions for
+ * each marked window are altered.
+ *
+ * Notes:
+ * This routine assumes that all affected windows have been marked
+ * (valdata created) and their winSize and borderSize regions
+ * adjusted to correspond to their new positions. The borderClip and
+ * clipList regions should not have been touched.
+ *
+ * The top-most level is treated differently from all lower levels
+ * because pParent is unchanged. For the top level, we merge the
+ * regions taken up by the marked children back into the clipList
+ * for pParent, thus forming a region from which the marked children
+ * can claim their areas. For lower levels, where the old clipList
+ * and borderClip are invalid, we can't do this and have to do the
+ * extra operations done in miComputeClips, but this is much faster
+ * e.g. when only one child has moved...
+ *
+ *-----------------------------------------------------------------------
+ */
+/*
+ Quartz version: used for validate from root in rootless mode.
+ We need to make sure top-level windows don't clip each other,
+ and that top-level windows aren't clipped to the root window.
+*/
+/*ARGSUSED*/
+// fixme this is ugly
+// Xprint/ValTree.c doesn't work, but maybe that method can?
+int
+RootlessMiValidateTree (WindowPtr pRoot, /* Parent to validate */
+ WindowPtr pChild, /* First child of pRoot that was
+ * affected */
+ VTKind kind /* What kind of configuration caused call */)
+{
+ RegionRec childClip; /* The new borderClip for the current
+ * child */
+ RegionRec exposed; /* For intermediate calculations */
+ register ScreenPtr pScreen;
+ register WindowPtr pWin;
+
+ pScreen = pRoot->drawable.pScreen;
+ if (pChild == NullWindow)
+ pChild = pRoot->firstChild;
+
+ RegionNull(&childClip);
+ RegionNull(&exposed);
+
+ if (RegionBroken(&pRoot->clipList) &&
+ !RegionBroken(&pRoot->borderClip))
+ {
+ // fixme this might not work, but hopefully doesn't happen anyway.
+ kind = VTBroken;
+ RegionEmpty(&pRoot->clipList);
+ ErrorF("ValidateTree: BUSTED!\n");
+ }
+
+ /*
+ * Recursively compute the clips for all children of the root.
+ * They don't clip against each other or the root itself, so
+ * childClip is always reset to that child's size.
+ */
+
+ for (pWin = pChild;
+ pWin != NullWindow;
+ pWin = pWin->nextSib)
+ {
+ if (pWin->viewable) {
+ if (pWin->valdata) {
+ RegionCopy(&childClip, &pWin->borderSize);
+ RootlessComputeClips (pWin, pScreen, &childClip, kind, &exposed);
+ } else if (pWin->visibility == VisibilityNotViewable) {
+ RootlessTreeObscured(pWin);
+ }
+ } else {
+ if (pWin->valdata) {
+ RegionEmpty(&pWin->clipList);
+ if (pScreen->ClipNotify)
+ (* pScreen->ClipNotify) (pWin, 0, 0);
+ RegionEmpty(&pWin->borderClip);
+ pWin->valdata = NULL;
+ }
+ }
+ }
+
+ RegionUninit(&childClip);
+
+ /* The root is never clipped by its children, so nothing on the root
+ is ever exposed by moving or mapping its children. */
+ RegionNull(&pRoot->valdata->after.exposed);
+ RegionNull(&pRoot->valdata->after.borderExposed);
+
+ return 1;
+}
diff --git a/xorg-server/miext/rootless/rootlessWindow.c b/xorg-server/miext/rootless/rootlessWindow.c index 20fdaba8d..4c7f7b044 100644 --- a/xorg-server/miext/rootless/rootlessWindow.c +++ b/xorg-server/miext/rootless/rootlessWindow.c @@ -51,6 +51,12 @@ extern Bool no_configure_window; #include "rootlessCommon.h"
#include "rootlessWindow.h"
+#ifdef _MSC_VER
+#define inline __inline
+#include "xplugin.h"
+extern int darwinMainScreenX, darwinMainScreenY;
+#endif
+
#define SCREEN_TO_GLOBAL_X \
(pScreen->x + rootlessGlobalOffsetX)
#define SCREEN_TO_GLOBAL_Y \
@@ -683,7 +689,7 @@ RootlessResizeCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, if (gResizeDeathCount == 1) {
/* Simple case, we only have a single source pixmap. */
- fbCopyRegion(&gResizeDeathPix[0]->drawable,
+ miCopyRegion(&gResizeDeathPix[0]->drawable,
&pScreen->GetWindowPixmap(pWin)->drawable, 0,
&rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
}
@@ -699,7 +705,7 @@ RootlessResizeCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionNull(&clipped);
RegionIntersect(&rgnDst, &clip, &clipped);
- fbCopyRegion(&gResizeDeathPix[i]->drawable,
+ miCopyRegion(&gResizeDeathPix[i]->drawable,
&pScreen->GetWindowPixmap(pWin)->drawable, 0,
&clipped, dx, dy, fbCopyWindowProc, 0, 0);
@@ -780,7 +786,7 @@ RootlessCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) else {
RootlessStartDrawing(pWin);
- fbCopyRegion((DrawablePtr) pWin, (DrawablePtr) pWin,
+ miCopyRegion((DrawablePtr) pWin, (DrawablePtr) pWin,
0, &rgnDst, dx, dy, fbCopyWindowProc, 0, 0);
/* prgnSrc has been translated to dst position */
@@ -996,6 +1002,7 @@ StartFrameResize(WindowPtr pWin, Bool gravity, }
else if (gravity) {
/* The general case. Just copy everything. */
+ BoxRec tmpBoxRec={oldX, oldY, oldX2, oldY2};
RootlessStartDrawing(pWin);
@@ -1004,7 +1011,7 @@ StartFrameResize(WindowPtr pWin, Bool gravity, memcpy(gResizeDeathBits, winRec->pixelData,
winRec->bytesPerRow * winRec->height);
- gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
+ gResizeDeathBounds[0] = tmpBoxRec;
gResizeDeathPix[0]
= GetScratchPixmapHeader(pScreen, winRec->width,
winRec->height,
@@ -1041,7 +1048,8 @@ StartFrameResize(WindowPtr pWin, Bool gravity, window bits. */
if (need_window_source) {
- gResizeDeathBounds[0] = (BoxRec) {oldX, oldY, oldX2, oldY2};
+ BoxRec tmpBoxRec={oldX, oldY, oldX2, oldY2};
+ gResizeDeathBounds[0] = tmpBoxRec;
gResizeDeathPix[0]
= GetScratchPixmapHeader(pScreen, oldW, oldH,
winRec->win->drawable.depth,
diff --git a/xorg-server/miext/rootless/xplugin.h b/xorg-server/miext/rootless/xplugin.h new file mode 100644 index 000000000..7fdf6006e --- /dev/null +++ b/xorg-server/miext/rootless/xplugin.h @@ -0,0 +1,592 @@ +/* Xplugin.h -- windowing API for rootless X11 server + $Id$ + + Copyright (c) 2002 Apple Computer, Inc. All rights reserved. + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation files + (the "Software"), to deal in the Software without restriction, + including without limitation the rights to use, copy, modify, merge, + publish, distribute, sublicense, and/or sell copies of the Software, + and to permit persons to whom the Software is furnished to do so, + subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT + HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + DEALINGS IN THE SOFTWARE. + + Except as contained in this notice, the name(s) of the above + copyright holders shall not be used in advertising or otherwise to + promote the sale, use or other dealings in this Software without + prior written authorization. + + Note that these interfaces are provided solely for the use of the + X11 server. Any other uses are unsupported and strongly discouraged. */ +/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/xpr/Xplugin.h,v 1.2 2003/05/02 00:08:49 torrey Exp $ */ + +#ifndef XPLUGIN_H +#define XPLUGIN_H 1 + +#include <stdint.h> + +/* By default we use the X server definition of BoxRec to define xp_box, + so that the compiler can silently convert between the two. But if + XP_NO_X_HEADERS is defined, we'll define it ourselves. */ + +#ifndef XP_NO_X_HEADERS +# include "miscstruct.h" + typedef BoxRec xp_box; +#else + struct xp_box_struct { + short x1, y1, x2, y2; + }; + typedef struct xp_box_struct xp_box; +#endif + +typedef unsigned int xp_resource_id; +typedef xp_resource_id xp_window_id; +typedef xp_resource_id xp_surface_id; +typedef unsigned int xp_client_id; +typedef unsigned int xp_request_type; +typedef int xp_error; +typedef int xp_bool; + + +/* Error codes that the functions declared here may return. They all + numerically match their X equivalents, i.e. the XP_ can be dropped + if <X11/X.h> has been included. */ + +enum xp_error_enum { + XP_Success = 0, + XP_BadRequest = 1, + XP_BadValue = 2, + XP_BadWindow = 3, + XP_BadMatch = 8, + XP_BadAccess = 10, + XP_BadImplementation = 17, +}; + + +/* Event types generated by the plugin. */ + +enum xp_event_type_enum { + /* The global display configuration changed somehow. */ + XP_EVENT_DISPLAY_CHANGED = 1 << 0, + + /* A window changed state. Argument is xp_window_state_event */ + XP_EVENT_WINDOW_STATE_CHANGED = 1 << 1, + + /* An async request encountered an error. Argument is of type + xp_async_error_event */ + XP_EVENT_ASYNC_ERROR = 1 << 2, + + /* Sent when a surface is destroyed as a side effect of destroying + a window. Arg is of type xp_surface_id. */ + XP_EVENT_SURFACE_DESTROYED = 1 << 3, + + /* Sent when any GL contexts pointing at the given surface need to + call xp_update_gl_context () to refresh their state (because the + window moved or was resized. Arg is of type xp_surface_id. */ + XP_EVENT_SURFACE_CHANGED = 1 << 4, + + /* Sent when a window has been moved. Arg is of type xp_window_id. */ + XP_EVENT_WINDOW_MOVED = 1 << 5, +}; + +/* Function type used to receive events. */ + +typedef void (xp_event_fun) (unsigned int type, const void *arg, + unsigned int arg_size, void *user_data); + + +/* Operation types. Used when reporting errors asynchronously. */ + +enum xp_request_type_enum { + XP_REQUEST_NIL = 0, + XP_REQUEST_DESTROY_WINDOW = 1, + XP_REQUEST_CONFIGURE_WINDOW = 2, + XP_REQUEST_FLUSH_WINDOW = 3, + XP_REQUEST_COPY_WINDOW = 4, + XP_REQUEST_UNLOCK_WINDOW = 5, + XP_REQUEST_DISABLE_UPDATE = 6, + XP_REQUEST_REENABLE_UPDATE = 7, + XP_REQUEST_HIDE_CURSOR = 8, + XP_REQUEST_SHOW_CURSOR = 9, + XP_REQUEST_FRAME_DRAW = 10, +}; + +/* Structure used to report an error asynchronously. Passed as the "arg" + of an XP_EVENT_ASYNC_ERROR event. */ + +struct xp_async_error_event_struct { + xp_request_type request_type; + xp_resource_id id; + xp_error error; +}; + +typedef struct xp_async_error_event_struct xp_async_error_event; + + +/* Possible window states. */ + +enum xp_window_state_enum { + /* The window is not in the global list of possibly-visible windows. */ + XP_WINDOW_STATE_OFFSCREEN = 1 << 0, + + /* Parts of the window may be obscured by other windows. */ + XP_WINDOW_STATE_OBSCURED = 1 << 1, +}; + +/* Structure passed as argument of an XP_EVENT_WINDOW_STATE_CHANGED event. */ + +struct xp_window_state_event_struct { + xp_window_id id; + unsigned int state; +}; + +typedef struct xp_window_state_event_struct xp_window_state_event; + + +/* Function type used to supply a colormap for indexed drawables. */ + +typedef xp_error (xp_colormap_fun) (void *data, int first_color, + int n_colors, uint32_t *colors); + + +/* Window attributes structure. Used when creating and configuring windows. + Also used when configuring surfaces attached to windows. Functions that + take one of these structures also take a bit mask defining which + fields are set to meaningful values. */ + +enum xp_window_changes_enum { + XP_ORIGIN = 1 << 0, + XP_SIZE = 1 << 1, + XP_BOUNDS = XP_ORIGIN | XP_SIZE, + XP_SHAPE = 1 << 2, + XP_STACKING = 1 << 3, + XP_DEPTH = 1 << 4, + XP_COLORMAP = 1 << 5, + XP_WINDOW_LEVEL = 1 << 6, +}; + +struct xp_window_changes_struct { + /* XP_ORIGIN */ + int x, y; + + /* XP_SIZE */ + unsigned int width, height; + int bit_gravity; /* how to resize the backing store */ + + /* XP_SHAPE */ + int shape_nrects; /* -1 = remove shape */ + xp_box *shape_rects; + int shape_tx, shape_ty; /* translation for shape */ + + /* XP_STACKING */ + int stack_mode; + xp_window_id sibling; /* may be zero; in ABOVE/BELOW modes + it may specify a relative window */ + /* XP_DEPTH, window-only */ + unsigned int depth; + + /* XP_COLORMAP, window-only */ + xp_colormap_fun *colormap; + void *colormap_data; + + /* XP_WINDOW_LEVEL, window-only */ + int window_level; +}; + +typedef struct xp_window_changes_struct xp_window_changes; + +/* Values for bit_gravity field */ + +enum xp_bit_gravity_enum { + XP_GRAVITY_NONE = 0, /* no gravity, fill everything */ + XP_GRAVITY_NORTH_WEST = 1, /* anchor to top-left corner */ + XP_GRAVITY_NORTH_EAST = 2, /* anchor to top-right corner */ + XP_GRAVITY_SOUTH_EAST = 3, /* anchor to bottom-right corner */ + XP_GRAVITY_SOUTH_WEST = 4, /* anchor to bottom-left corner */ +}; + +/* Values for stack_mode field */ + +enum xp_window_stack_mode_enum { + XP_UNMAPPED = 0, /* remove the window */ + XP_MAPPED_ABOVE = 1, /* display the window on top */ + XP_MAPPED_BELOW = 2, /* display the window at bottom */ +}; + +/* Data formats for depth field and composite functions */ + +enum xp_depth_enum { + XP_DEPTH_NIL = 0, /* null source when compositing */ + XP_DEPTH_ARGB8888, + XP_DEPTH_RGB555, + XP_DEPTH_A8, /* for masks when compositing */ + XP_DEPTH_INDEX8, +}; + +/* Options that may be passed to the xp_init () function. */ + +enum xp_init_options_enum { + /* Don't mark that this process can be in the foreground. */ + XP_IN_BACKGROUND = 1 << 0, + + /* Deliver background pointer events to this process. */ + XP_BACKGROUND_EVENTS = 1 << 1, +}; + + + +/* Miscellaneous functions */ + +/* Initialize the plugin library. Only the copy/fill/composite functions + may be called without having previously called xp_init () */ + +extern xp_error xp_init (unsigned int options); + +/* Sets the current set of requested notifications to MASK. When any of + these arrive, CALLBACK will be invoked with CALLBACK-DATA. Note that + calling this function cancels any previously requested notifications + that aren't set in MASK. */ + +extern xp_error xp_select_events (unsigned int mask, + xp_event_fun *callback, + void *callback_data); + +/* Waits for all initiated operations to complete. */ + +extern xp_error xp_synchronize (void); + +/* Causes any display update initiated through the plugin libary to be + queued until update is reenabled. Note that calls to these functions + nest. */ + +extern xp_error xp_disable_update (void); +extern xp_error xp_reenable_update (void); + + + +/* Cursor functions. */ + +/* Installs the specified cursor. ARGB-DATA should point to 32-bit + premultiplied big-endian ARGB data. The HOT-X,HOT-Y parameters + specify the offset to the cursor's hot spot from its top-left + corner. */ + +extern xp_error xp_set_cursor (unsigned int width, unsigned int height, + unsigned int hot_x, unsigned int hot_y, + const uint32_t *argb_data, + unsigned int rowbytes); + +/* Hide and show the cursor if it's owned by the current process. Calls + to these functions nest. */ + +extern xp_error xp_hide_cursor (void); +extern xp_error xp_show_cursor (void); + + + +/* Window functions. */ + +/* Create a new window as defined by MASK and VALUES. MASK must contain + XP_BOUNDS or an error is raised. The id of the newly created window + is stored in *RET-ID if this function returns XP_Success. */ + +extern xp_error xp_create_window (unsigned int mask, + const xp_window_changes *values, + xp_window_id *ret_id); + +/* Destroys the window identified by ID. */ + +extern xp_error xp_destroy_window (xp_window_id id); + +/* Reconfigures the given window according to MASK and VALUES. */ + +extern xp_error xp_configure_window (xp_window_id id, unsigned int mask, + const xp_window_changes *values); + + +/* Returns true if NATIVE-ID is a window created by the plugin library. + If so and RET-ID is non-null, stores the id of the window in *RET-ID. */ + +extern xp_bool xp_lookup_native_window (unsigned int native_id, + xp_window_id *ret_id); + +/* If ID names a window created by the plugin library, stores it's native + window id in *RET-NATIVE-ID. */ + +extern xp_error xp_get_native_window (xp_window_id id, + unsigned int *ret_native_id); + + +/* Locks the rectangle IN-RECT (or, if null, the entire window) of the + given window's backing store. Any other non-null parameters are filled + in as follows: + + DEPTH = format of returned data. Currently either XP_DEPTH_ARGB8888 + or XP_DEPTH_RGB565 (possibly with 8 bit planar alpha). Data is + always stored in native byte order. + + BITS[0] = pointer to top-left pixel of locked color data + BITS[1] = pointer to top-left of locked alpha data, or null if window + has no alpha. If the alpha data is meshed, then BITS[1] = BITS[0]. + + ROWBYTES[0,1] = size in bytes of each row of color,alpha data + + OUT-RECT = rectangle specifying the current position and size of the + locked region relative to the window origin. + + Note that an error is raised when trying to lock an already locked + window. While the window is locked, the only operations that may + be performed on it are to modify, access or flush its marked region. */ + +extern xp_error xp_lock_window (xp_window_id id, + const xp_box *in_rect, + unsigned int *depth, + void *bits[2], + unsigned int rowbytes[2], + xp_box *out_rect); + +/* Mark that the region specified by SHAPE-NRECTS, SHAPE-RECTS, + SHAPE-TX, and SHAPE-TY in the specified window has been updated, and + will need to subsequently be redisplayed. */ + +extern xp_error xp_mark_window (xp_window_id id, int shape_nrects, + const xp_box *shape_rects, + int shape_tx, int shape_ty); + +/* Unlocks the specified window. If FLUSH is true, then any marked + regions are immediately redisplayed. Note that it's an error to + unlock an already unlocked window. */ + +extern xp_error xp_unlock_window (xp_window_id id, xp_bool flush); + +/* If anything is marked in the given window for redisplay, do it now. */ + +extern xp_error xp_flush_window (xp_window_id id); + +/* Moves the contents of the region DX,DY pixels away from that specified + by DST_RECTS and DST_NRECTS in the window with SRC-ID to the + destination region in the window DST-ID. Note that currently source + and destination windows must be the same. */ + +extern xp_error xp_copy_window (xp_window_id src_id, xp_window_id dst_id, + int dst_nrects, const xp_box *dst_rects, + int dx, int dy); + +/* Returns true if the given window has any regions marked for + redisplay. */ + +extern xp_bool xp_is_window_marked (xp_window_id id); + +/* If successful returns a superset of the region marked for update in + the given window. Use xp_free_region () to release the returned data. */ + +extern xp_error xp_get_marked_shape (xp_window_id id, + int *ret_nrects, xp_box **ret_rects); + +extern void xp_free_shape (int nrects, xp_box *rects); + +/* Searches for the first window below ABOVE-ID containing the point X,Y, + and returns it's window id in *RET-ID. If no window is found, *RET-ID + is set to zero. If ABOVE-ID is zero, finds the topmost window + containing the given point. */ + +extern xp_error xp_find_window (int x, int y, xp_window_id above_id, + xp_window_id *ret_id); + +/* Returns the current origin and size of the window ID in *BOUNDS-RET if + successful. */ +extern xp_error xp_get_window_bounds (xp_window_id id, xp_box *bounds_ret); + + + +/* Window surface functions. */ + +/* Create a new VRAM surface on the specified window. If successful, + returns the identifier of the new surface in *RET-SID. */ + +extern xp_error xp_create_surface (xp_window_id id, xp_surface_id *ret_sid); + +/* Destroys the specified surface. */ + +extern xp_error xp_destroy_surface (xp_surface_id sid); + +/* Reconfigures the specified surface as defined by MASK and VALUES. + Note that specifying XP_DEPTH is an error. */ + +extern xp_error xp_configure_surface (xp_surface_id sid, unsigned int mask, + const xp_window_changes *values); + +/* If successful, places the client identifier of the current process + in *RET-CLIENT. */ + +extern xp_error xp_get_client_id (xp_client_id *ret_client); + +/* Given a valid window,surface combination created by the current + process, attempts to allow the specified external client access + to that surface. If successful, returns two integers in RET-KEY + which the client can use to import the surface into their process. */ + +extern xp_error xp_export_surface (xp_window_id wid, xp_surface_id sid, + xp_client_id client, + unsigned int ret_key[2]); + +/* Given a two integer key returned from xp_export_surface (), tries + to import the surface into the current process. If successful the + local surface identifier is stored in *SID-RET. */ + +extern xp_error xp_import_surface (const unsigned int key[2], + xp_surface_id *sid_ret); + +/* If successful, stores the number of surfaces attached to the + specified window in *RET. */ + +extern xp_error xp_get_window_surface_count (xp_window_id id, + unsigned int *ret); + +/* Attaches the CGLContextObj CGL-CTX to the specified surface. */ + +extern xp_error xp_attach_gl_context (void *cgl_ctx, xp_surface_id sid); + +/* Updates the CGLContextObj CGL-CTX to reflect any recent changes to + the surface it's attached to. */ + +extern xp_error xp_update_gl_context (void *cgl_ctx); + + + +/* Window frame functions. */ + +/* Possible arguments to xp_frame_get_rect (). */ + +enum xp_frame_rect_enum { + XP_FRAME_RECT_TITLEBAR = 1, + XP_FRAME_RECT_TRACKING = 2, + XP_FRAME_RECT_GROWBOX = 3, +}; + +/* Classes of window frame. */ + +enum xp_frame_class_enum { + XP_FRAME_CLASS_DOCUMENT = 1 << 0, + XP_FRAME_CLASS_DIALOG = 1 << 1, + XP_FRAME_CLASS_MODAL_DIALOG = 1 << 2, + XP_FRAME_CLASS_SYSTEM_MODAL_DIALOG = 1 << 3, + XP_FRAME_CLASS_UTILITY = 1 << 4, + XP_FRAME_CLASS_TOOLBAR = 1 << 5, + XP_FRAME_CLASS_MENU = 1 << 6, + XP_FRAME_CLASS_SPLASH = 1 << 7, + XP_FRAME_CLASS_BORDERLESS = 1 << 8, +}; + +/* Attributes of window frames. */ + +enum xp_frame_attr_enum { + XP_FRAME_ACTIVE = 0x0001, + XP_FRAME_URGENT = 0x0002, + XP_FRAME_TITLE = 0x0004, + XP_FRAME_PRELIGHT = 0x0008, + XP_FRAME_SHADED = 0x0010, + XP_FRAME_CLOSE_BOX = 0x0100, + XP_FRAME_COLLAPSE = 0x0200, + XP_FRAME_ZOOM = 0x0400, + XP_FRAME_ANY_BUTTON = 0x0700, + XP_FRAME_CLOSE_BOX_CLICKED = 0x0800, + XP_FRAME_COLLAPSE_BOX_CLICKED = 0x1000, + XP_FRAME_ZOOM_BOX_CLICKED = 0x2000, + XP_FRAME_ANY_CLICKED = 0x3800, + XP_FRAME_GROW_BOX = 0x4000, +}; + +#define XP_FRAME_ATTR_IS_SET(a,b) (((a) & (b)) == (b)) +#define XP_FRAME_ATTR_IS_CLICKED(a,m) ((a) & ((m) << 3)) +#define XP_FRAME_ATTR_SET_CLICKED(a,m) ((a) |= ((m) << 3)) +#define XP_FRAME_ATTR_UNSET_CLICKED(a,m) ((a) &= ~((m) << 3)) + +#define XP_FRAME_POINTER_ATTRS (XP_FRAME_PRELIGHT \ + | XP_FRAME_ANY_BUTTON \ + | XP_FRAME_ANY_CLICKED) + +extern xp_error xp_frame_get_rect (int type, int class, const xp_box *outer, + const xp_box *inner, xp_box *ret); +extern xp_error xp_frame_hit_test (int class, int x, int y, + const xp_box *outer, + const xp_box *inner, int *ret); +extern xp_error xp_frame_draw (xp_window_id wid, int class, unsigned int attr, + const xp_box *outer, const xp_box *inner, + unsigned int title_len, + const unsigned char *title_bytes); + + + +/* Memory manipulation functions. */ + +enum xp_composite_op_enum { + XP_COMPOSITE_SRC = 0, + XP_COMPOSITE_OVER, +}; + +#define XP_COMPOSITE_FUNCTION(op, src_depth, mask_depth, dest_depth) \ + (((op) << 24) | ((src_depth) << 16) \ + | ((mask_depth) << 8) | ((dest_depth) << 0)) + +#define XP_COMPOSITE_FUNCTION_OP(f) (((f) >> 24) & 255) +#define XP_COMPOSITE_FUNCTION_SRC_DEPTH(f) (((f) >> 16) & 255) +#define XP_COMPOSITE_FUNCTION_MASK_DEPTH(f) (((f) >> 8) & 255) +#define XP_COMPOSITE_FUNCTION_DEST_DEPTH(f) (((f) >> 0) & 255) + +/* Composite WIDTH by HEIGHT pixels from source and mask to destination + using a specified function (if source and destination overlap, + undefined behavior results). + + For SRC and DEST, the first element of the array is the color data. If + the second element is non-null it implies that there is alpha data + (which may be meshed or planar). Data without alpha is assumed to be + opaque. + + Passing a null SRC-ROWBYTES pointer implies that the data SRC points + to is a single element. + + Operations that are not supported will return XP_BadImplementation. */ + +extern xp_error xp_composite_pixels (unsigned int width, unsigned int height, + unsigned int function, + void *src[2], unsigned int src_rowbytes[2], + void *mask, unsigned int mask_rowbytes, + void *dest[2], unsigned int dest_rowbytes[2]); + +/* Fill HEIGHT rows of data starting at DST. Each row will have WIDTH + bytes filled with the 32-bit pattern VALUE. Each row is DST-ROWBYTES + wide in total. */ + +extern void xp_fill_bytes (unsigned int width, + unsigned int height, uint32_t value, + void *dst, unsigned int dst_rowbytes); + +/* Copy HEIGHT rows of bytes from SRC to DST. Each row will have WIDTH + bytes copied. SRC and DST may overlap, and the right thing will happen. */ + +extern void xp_copy_bytes (unsigned int width, unsigned int height, + const void *src, unsigned int src_rowbytes, + void *dst, unsigned int dst_rowbytes); + +/* Suggestions for the minimum number of bytes or pixels for which it + makes sense to use some of the xp_ functions */ + +extern unsigned int xp_fill_bytes_threshold, xp_copy_bytes_threshold, + xp_composite_area_threshold, xp_scroll_area_threshold; + + +#endif /* XPLUGIN_H */ + |